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-rw-r--r--drivers/gpio/gpio-pca953x.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index b68a8a240e4c..ed58c000c72f 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -41,9 +41,13 @@
#define PCA957X_MSK 0x06
#define PCA957X_INTS 0x07
+#define PCAL953X_OUT_STRENGTH 0x20
#define PCAL953X_IN_LATCH 0x22
+#define PCAL953X_PULL_EN 0x23
+#define PCAL953X_PULL_SEL 0x24
#define PCAL953X_INT_MASK 0x25
#define PCAL953X_INT_STAT 0x26
+#define PCAL953X_OUT_CONF 0x27
#define PCA_GPIO_MASK 0x00FF
#define PCA_INT 0x0100